Dynamic & Static Rated Fire Dampers, Ceiling Radiation Dampers
Dynamic & Static Rated Fire Dampers, Ceiling Radiation Dampers
Dynamic & Static Rated Fire Dampers, Ceiling Radiation Dampers
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Design and Construction Features<br />
DFDR’s & FDR’s<br />
Mounting<br />
Round fire dampers are available for mounting either vertically or horizontally. Only one retainer plate is required<br />
for mounting of damper. <strong>Dampers</strong> are supplied with sleeves from the factory and can be installed without the<br />
need for additional field installed sleeves.<br />
WALL THICKNESS SLEEVE LENGTH<br />
Up to 6.5 3.625<br />
Up to 8.5 5.625<br />
Up to 0.5 7.625<br />
Over 0.5 Consult Greenheck<br />
DFDR-XXX Blade Orientation<br />
Axle<br />
30° Off Horizontal<br />
(Maximum)<br />
Retaining Plates<br />
Axle<br />
Retainer Plate<br />
Duct Connection<br />
Area<br />
2 in.<br />
AIRFLOW<br />
6 in. max.<br />
30° Off Horizontal<br />
(Maximum) WALL/FLOOR<br />
Round one-piece retaining plates easily wrap around the<br />
sleeve of the damper and tighten with the clamping screw for<br />
simplified installation. They are designed to mount flush to the<br />
wall/floor and hold the damper in the opening. One retaining<br />
plate is provided with the damper.<br />
30°<br />
TW<br />
OPENING<br />
= Nominal size + 7/8 Min.<br />
Sleeve Length<br />
1.00 TYP.<br />
30°<br />
Axle<br />
®<br />
Clearance for expansion<br />
Do not place retainer<br />
plate in this groove<br />
6 in. max.<br />
OPENING + 2.00 MIN.<br />
FASTENERS<br />
Retainer plate<br />
Blade latch<br />
2 in.<br />
Normal<br />
Access door to be on<br />
same side as blade latch<br />
Duct connection<br />
area<br />
CLAMPING<br />
SCREW<br />
NUT<br />
RETAINING<br />
PLATE ASSEMBLY<br />
CLAMPING SCREW<br />
5
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